Jeremy was aware that one of his forebears had invented the Kilner jar, a receptacle for preserved fruit that is still popular in homes today. But he was completely unaware that the story of the ...

Equipment and preparation: You will need 2 x 500g/1lb 2oz sealable Kilner-type jars. To clean the jars, preheat the oven to 140C/275F/Gas 1. Wash the jars well in warm soapy water then rinse ...